require "json"

def shelf_contents(data, filter)
  $cgi.div {
    data.select { |bottle|
      bottle["status"] == filter
    }.map { |bottle|
      $cgi.div(class: "bottle") { 
        $cgi.h4 { bottle["name"] } +
        $cgi.a(href: "shelf/#{bottle["image"]}") {
          $cgi.img(class: "bottle",
                   src: "shelf/#{bottle["image"]}")
        }
      }
    }.join
  }
end

data = JSON.parse(File.read("../inc/shelf.json"))

$page =
  $cgi.h2 { "What's on my shelf?" } +
  $cgi.h3 { "Open" } +
  shelf_contents(data, "open") +
  $cgi.h3 { "Unopened" } +
  shelf_contents(data, "new") +
  $cgi.h3 { "Finished" } +
  shelf_contents(data, "gone")

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